John was piloting a plane behind a car but was never able to overtake it. Why?

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

Can you move 2 matchsticks to form four equal sized squares.

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

Which number should replace the question mark?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?